MTD LT31S - Manual (Page 18)

18
SPECIFICATIONS
ENGINE*
DRIVE SHAFT and CUTTING ATTACHMENT*
*All specifications are based on the latest product information available at the time of printing. We reserve the right to
make changes at any time without notice.
Engine Type.......................................................................................................................................... Air-Cooled, 2-Cycle
Stroke .................................................................................................................................................... 31.75 mm (1.25 in.)
Displacement............................................................................................................................................. 31 cc (1.9 cu in.)
Operating RPM .................................................................................................................................................. 8,000
+ rpm
Idle Speed RPM ...................................................................................................................................... 3,200 - 4,400 rpm
Ignition Type.......................................................................................................................................................... Electronic
Ignition Switch ............................................................................................................................................... Rocker Switch
Spark Plug Gap ....................................................................................................................................... 0.5 mm (0.020 in.)
Lubrication ................................................................................................................................................... Fuel/Oil Mixture
Fuel/Oil Ratio................................................................................................................................................................. 40:1
Carburetor ....................................................................................................................................... Diaphragm, All-Position
Starter ............................................................................................................................................... Auto Rewind with AST
Muffler ..................................................................................................................................................... Baffled with Guard
Throttle ............................................................................................................................................... Manual Spring Return
Fuel Tank Capacity........................................................................................................................................ 444 ml (15 oz)
Drive Shaft Housing ............................................................................................................................................ Steel Tube
Throttle Control ........................................................................................................................................ Finger-Tip Trigger
Unit Weight (No fuel, with cutting attachment, shield and D-handle) ............................................................ 11 lbs. (5 kg.)
Cutting Mechanism ........................................................................................................................................ Bump Head™
Shoulder Strap ........................................................................................................................................................ Optional
Line Spool Diameter..................................................................................................................................... 76.2 mm (3 in.)
Trimming Line Diameter ........................................................................................................................ 2.03 mm (0.080 in.)
Cutting Path Diameter .............................................................................................................................. 43.18 cm (17 in. )
Maximum Vibration Level (Idle)** . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.56 m/s 2
Maximum Vibration Level (Racing)** . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.95 m/s 2
Maximum Sound Pressure Level (Idle) ‡ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86.0 LpeqdB(A)
Maximum Sound Pressure Level (Racing) ‡ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101.0 LpeqdB(A)
** Method for obtaining level per ISO 7916
‡ Method for obtaining level per ISO 7917